Gazebo roslaunch turtlebot3_manipulation_gazebo turtlebot3_manipulation.launch
roslaunch turtlebot3_manipulation_moveit_config move_group.launch roslaunch turtlebot3_manipulation_moveit_config moveit_rviz.launch
roslaunch turtlebot3_manipulation_gui turtlebot3_manipulation_gui.launch
They all worked except for the gui it stuck or hung up on something?